Application: SAP Solman
Versions Affected: SAP Solman 7.1-7.31
Vendor URL: http://SAP.com
Bugs: Information Disclosure
Sent: 12.07.2016
Reported: 13.07.2016
Vendor response: 13.07.2016
Date of Public Advisory: 13.09.2016
Reference: SAP Security Note 2344524
Author: Roman Bezhan (ERPScan)
Description
1. ADVISORY INFORMATION
Title:[ERPSCAN-16-035] SAP Solman a user accounts disclosure
Advisory ID:[ERPSCAN-16-035]
Risk: high
Advisory URL: https://erpscan.com/advisories/erpscan-16-035-sap-solman-user-accounts-dislosure/
Date published: 13.12.2016
Vendors contacted: SAP
2. VULNERABILITY INFORMATION
Class: Information Disclosure
Impact: disclosure of system information
Remotely Exploitable: yes
Locally Exploitable: no
CVE: CVE-2016-10005
CVSS Information
CVSS Base Score v3: 5.3 / 10
CVSS Base Vector:
AV : Attack Vector (Related exploit range) Network (N)
AC : Attack Complexity (Required attack complexity) Low (L)
PR : Privileges Required (Level of privileges needed to exploit) None (N)
UI : User Interaction (Required user participation) None (N)
S : Scope (Change in scope due to impact caused to components beyond
the vulnerable component) Unchanged (U)
C : Impact to Confidentiality Low (L)
I : Impact to Integrity None (N)
A : Impact to Availability None (N)
3. VULNERABILITY DESCRIPTION
Webdynpro component allows an attacker to gain users information
defined in the system.
4. VULNERABLE PACKAGES
CAF EU 7.00
CAF EU 7.01
CAF EU 7.02
GUIDED PROCEDURES CORE 7.10
GUIDED PROCEDURES CORE 7.11
GUIDED PROCEDURES CORE 7.20
GUIDED PROCEDURES CORE 7.30
GUIDED PROCEDURES CORE 7.31
GUIDED PROCEDURES CORE 7.40
GUIDED PROCEDURES CORE 7.50
GUIDED PROCEDURES UI ITG 7.50
5. SOLUTIONS AND WORKAROUNDS
To correct this vulnerability, install SAP Security Note 2344524
6. AUTHOR
Roman Bezhan (ERPScan)
7. TECHNICAL DESCRIPTION
An anonymous attacker can use caf~eu~gp~example~timeoff~wd component
to get users information defined in the system. He should click
"Change processor" and start to search users by name in new open below
dialog box.
7.1. Proof of Concept
http://SAP_INSTANCE:50000/webdynpro/dispatcher/sap.com/caf~eu~gp~example~timeoff~wd/com.sap.caf.eu.gp.example.timeoff.wd.create.ACreate#
http://SAP_INSTANCE:50000/webdynpro/dispatcher/sap.com/caf~eu~gp~example~timeoff~wd/ACreate
8. REPORT TIMELINE
Sent: 12.07.2016
Vendor response: 13.07.2016
Date of Public Advisory: 13.09.2016
9. REFERENCES
https://erpscan.com/advisories/erpscan-16-035-sap-solman-user-accounts-dislosure/
https://erpscan.com/press-center/blog/0-day-sap-vulnerability-published/
10. ABOUT ERPScan Research
ERPScan research team specializes in vulnerability research and
analysis of critical enterprise applications. It was acknowledged
multiple times by the largest software vendors like SAP, Oracle,
Microsoft, IBM, VMware, HP for discovering more than 400
vulnerabilities in their solutions (200 of them just in SAP!).
ERPScan researchers are proud of discovering new types of
vulnerabilities (TOP 10 Web Hacking Techniques 2012) and of the "The
Best Server-Side Bug" nomination at BlackHat 2013.
ERPScan experts participated as speakers, presenters, and trainers at
60+ prime international security conferences in 25+ countries across
the continents ( e.g. BlackHat, RSA, HITB) and conducted private
trainings for several Fortune 2000 companies.
ERPScan researchers carry out the EAS-SEC project that is focused on
enterprise application security awareness by issuing annual SAP
security researches.
ERPScan experts were interviewed in specialized info-sec resources and
featured in major media worldwide. Among them there are Reuters,
Yahoo, SC Magazine, The Register, CIO, PC World, DarkReading, Heise,
Chinabyte, etc.
Our team consists of highly-qualified researchers, specialized in
various fields of cybersecurity (from web application to ICS/SCADA
systems), gathering their experience to conduct the best SAP security
research.
11. ABOUT ERPScan
ERPScan is the most respected and credible Business Application
Cybersecurity provider. Founded in 2010, the company operates globally
and enables large Oil and Gas, Financial, Retail and other
organizations to secure their mission-critical processes. Named as an
aEmerging Vendora in Security by CRN, listed among aTOP 100 SAP
Solution providersa and distinguished by 30+ other awards, ERPScan is
the leading SAP SE partner in discovering and resolving security
vulnerabilities. ERPScan consultants work with SAP SE in Walldorf to
assist in improving the security of their latest solutions.
ERPScanas primary mission is to close the gap between technical and
business security, and provide solutions for CISO's to evaluate and
secure SAP and Oracle ERP systems and business-critical applications
from both cyberattacks and internal fraud. As a rule, our clients are
large enterprises, Fortune 2000 companies and MSPs, whose requirements
are to actively monitor and manage security of vast SAP and Oracle
landscapes on a global scale.
We afollow the suna and have two hubs, located in Palo Alto and
Amsterdam, to provide threat intelligence services, continuous support
and to operate local offices and partner network spanning 20+
countries around the globe.
Adress USA: 228 Hamilton Avenue, Fl. 3, Palo Alto, CA. 94301
Phone: 650.798.5255
Twitter: @erpscan